A stunning twilight view of Seattle's skyline with illuminated skyscrapers and busy traffic below. — flights from London to Seattle
London, UKSeattle

Flights from London to Seattle

Nonstop flights from London (LHR) to Seattle (SEA) take about 10h 8m (7,702 km). Virgin Atlantic flies it. Lowest fare seen: $551 one-way, nonstop (12 Oct 2026).

All flights from London →All flights to Seattle →

Photo of Seattle: Stephen Leonardi on Pexels.

When you land in Seattle

The airport transfer and the few things worth sorting before you fly.

Alaska Airlines plane soaring through a bright sky with fluffy clouds in Seattle. — arriving in Seattle

Airport transfer

SEA → Seattle, booked before you fly

A private driver meets you in arrivals at a price agreed when you book. Book with Welcome Pickups.

See transfer prices
British Airways Airbus A320 landing at Heathrow, London on a clear day. — lounges at Heathrow AirportHeathrow Airport · 10 lounges
Before you flyAirport lounges at Heathrow →
Trains, buses and taxi faresSEA to Seattle: getting into town →Early arrival or late flightLuggage storage in Seattle →10 drop-off points, from $4.90

Things to book in Seattle

All 22 things to do in Seattle →
from €3.57
Seattle Center Monorail 4.5 · 1,891 Tiqets reviews
Seattle Aquariumfrom €44.59
Seattle Aquarium 4.3 · 353 Tiqets reviews
Woodland Park Zoofrom €20.49
Woodland Park Zoo 4.6 · 143 Tiqets reviews
from €43.10
Seattle Sightseeing Cruises 4.6 · 61 Tiqets reviews

Find hotels in Seattle

Hotels, hostels & more · Expedia

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Airlines flying London to Seattle

Carriers on LHR–SEA according to our route data and nonstop fares seen as of 12 Oct 2026. Not a complete list.

✈ Virgin Atlanticnonstop fare seen

London to Seattle fares by month

Cheapest month seen for a nonstop flight: Feb 2027, from $528 one-way. With stops: Feb 2027, from $436. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

DepartingNonstop fromCheaper with stops
Oct 2026$64027 Oct 2026$581 · 1 stop31 Oct 2026
Nov 2026$6072 Nov 2026$524 · 2 stops16 Nov 2026
Dec 2026$54313 Dec 2026—
Feb 2027$5281 Feb 2027$436 · 1 stop1 Feb 2027
Aug 2027$5724 Aug 2027—

When to go for the lowest fare

Later departures were cheaper: from $436 in February 2027, against $524 for November 2026.

Nonstop or with a stop

A connection undercut nonstop in 3 of 3 months with both fares.

From Travelpayouts flight-search data, city to city (London to Seattle, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

More for this trip

Frequently asked questions — London to Seattle flights

How long is the flight from London to Seattle?
A nonstop flight from London (LHR) to Seattle (SEA) takes about 10h 8m, covering 7,702 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is London from Seattle by air?
The great-circle distance between London Heathrow Airport and Seattle–Tacoma International Airport is 7,702 km (4,786 miles), a ultra long-haul route.
Which airlines fly from London to Seattle?
Airlines with flights or nonstop fares on the LHR–SEA route include Virgin Atlantic. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from London to Seattle cost?
The lowest one-way fare seen recently on LHR–SEA was $551 USD sold by Alaska Airlines (nonstop), departing 1 Feb 2027, found in fare searches as of 12 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
What is the cheapest month to fly from London to Seattle?
In fares seen on 22 Oct 2026, departures in February 2027 were cheapest, from $436 one-way, against $581 for October 2026, the dearest month. Fares change daily, so check your own dates.
Is it cheaper to fly nonstop or with a stop from London to Seattle?
In the fares we saw (12 Oct 2026), connecting was cheaper: from $458 with one stop against $551 nonstop, a saving of $93. Nonstop saves the connection time.
Do I need a visa to travel from UK to Seattle?
It depends on your passport. Some nationalities can enter Seattle visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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